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2 results on '"Aortic sealing"'

1. Occlusive Shrinkage of Ovation Endograft Presenting as Acute Lower Limb Ischemia

Author

Filippo Scalise, Guido Lanzillo, Valerio Tolva, Gianfranco Parati, Paolo Bianchi, Giuseppe Scardina, Andrea Mortara, Santi Trimarchi, Bianchi, P, Scalise, F, Mortara, A, Lanzillo, G, Scardina, G, Trimarchi, S, Parati, G, and Tolva, V

Subjects
medicine.medical_specialty, Aortic sealing, Lower limb ischemia, medicine.diagnostic_test, business.industry, medicine.medical_treatment, Stent, Case Report, medicine.disease, Abdominal aortic aneurysm, Aneurysm, Angiography, Intravascular ultrasound, medicine, Endovascular complication, EVAR, Radiology, Nuclear Medicine and imaging, Surgery, Radiology, Medical emergency, Endovascular treatment, Cardiology and Cardiovascular Medicine, business, Shrinkage
Abstract

The aim of this report is to describe the imaging and successful treatment of an acute shrinkage of the Ovation Abdominal Stent Graft System. The Ovation Prime system utilizes a polymer-filled sealing ring that is cast in situ at the margin of the aneurysm; however, the residual endograft inner volume after ring filling may reduce volume and graft flow. Nevertheless, there are no reports about severe complications using the Ovation Prime system. A 75-year-old male presented to our hospital for acute lower limb ischemia. The patient reported a previous endograft for abdominal aortic aneurysm 1 month previously, which utilized the Ovation device. Computed tomography (CT) angiography demonstrated a critical narrowing of the endograft at the site of the proximal sealing rings. We decided on urgent treatment, delivering a covered stent graft (CP STENT NUMED™). Intraoperative intravascular ultrasound showed effective compaction of the proximal rings. Nine-month follow-up with CT angiography demonstrated good patency without ring recoil of the endograft. This is the first report of endovascular treatment for an acute and symptomatic shrinkage of proximal rings in the Ovation trivascular endograft. Angiographic and intravascular ultrasound findings showed that covered stenting is effective and that the ring polymer is safely moldable.

Published
2017
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2. Occlusive Shrinkage of Ovation Endograft Presenting as Acute Lower Limb Ischemia: Effective Endovascular Management

Author

Bianchi, P, Scalise, F, Mortara, A, Lanzillo, G, Scardina, G, Trimarchi, S, Parati, G, Tolva, V, SCARDINA, GIUSEPPE, PARATI, GIANFRANCO, TOLVA, VALERIO STEFANO, Bianchi, P, Scalise, F, Mortara, A, Lanzillo, G, Scardina, G, Trimarchi, S, Parati, G, Tolva, V, SCARDINA, GIUSEPPE, PARATI, GIANFRANCO, and TOLVA, VALERIO STEFANO

Abstract

The aim of this report is to describe the imaging and successful treatment of an acute shrinkage of the Ovation Abdominal Stent Graft System. The Ovation Prime system utilizes a polymer-filled sealing ring that is cast in situ at the margin of the aneurysm; however, the residual endograft inner volume after ring filling may reduce volume and graft flow. Nevertheless, there are no reports about severe complications using the Ovation Prime system. A 75-year-old male presented to our hospital for acute lower limb ischemia. The patient reported a previous endograft for abdominal aortic aneurysm 1 month previously, which utilized the Ovation device. Computed tomography (CT) angiography demonstrated a critical narrowing of the endograft at the site of the proximal sealing rings. We decided on urgent treatment, delivering a covered stent graft (CP STENT NUMED(™)). Intraoperative intravascular ultrasound showed effective compaction of the proximal rings. Nine-month follow-up with CT angiography demonstrated good patency without ring recoil of the endograft. This is the first report of endovascular treatment for an acute and symptomatic shrinkage of proximal rings in the Ovation trivascular endograft. Angiographic and intravascular ultrasound findings showed that covered stenting is effective and that the ring polymer is safely moldable

Published
2017

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